2013
DOI: 10.1039/c3gc40470f
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Eliminating ammonia emissions during rare earth separation through control of equilibrium acidity in a HEH(EHP)-Cl system

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Cited by 53 publications
(37 citation statements)
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“…The technologies of rare earth separation and purification were significantly improved. For example, the new technologies of hyperlink extraction [11,12], calcium saponification extraction [13], and nonsaponification extraction were developed and used in the industry [14][15][16][17][18]. These new technologies significantly reduce the chemical consumption and waste discharge in rare earth separation.…”
Section: Recent Developments In Rare Earth Cleaner Hydrometallurgymentioning
confidence: 99%
“…The technologies of rare earth separation and purification were significantly improved. For example, the new technologies of hyperlink extraction [11,12], calcium saponification extraction [13], and nonsaponification extraction were developed and used in the industry [14][15][16][17][18]. These new technologies significantly reduce the chemical consumption and waste discharge in rare earth separation.…”
Section: Recent Developments In Rare Earth Cleaner Hydrometallurgymentioning
confidence: 99%
“…(14) and (23) into (28) to eliminate y A,n and y B,n results in Eq. (29) which can be then rewritten as Eq.…”
Section: Description Of the Separation Systemmentioning
confidence: 99%
“…In recent years, green chemistry processes have been paid much attention in extraction separation industry [11][12][13][14][15][16][17]. As mentioned in Refs.…”
Section: Introductionmentioning
confidence: 99%
“…HEH [EHP] was purified by washing with 2% Na 2 CO 3 , 0.2 mol/L H 2 SO 4 and distilled water, respectively. Bis(2,4,4-trimethylpentyl) phosphinic acid (HBTMPP, Cyanex272) was supplied by Cytec Industries Inc. 1 H and 13 C nuclear magnetic resonance (NMR) spectra of the ABC-BILs were obtained in CDCl 3 with an AV III-500 BRUKER spectrometer. The extracting phases were prepared by dissolving the extractants in heptane.…”
Section: Reagentsmentioning
confidence: 99%